Performance of Shear Connection in Composite Slab and Steel beam with Open and Re-entrant trough Profile Steel Sheeting

Abstract

The structural composite construction techniques find increasingly wide applications in bridges, ramp, buildings and other different area throughout the world focusing on the composites systems. Composite structures are created by combining two or more structural elements to act as a single combined structural unit, where each element behaves in structurally efficient manner. Component of composite structure in this study were composite slab, profile steel sheet, steel beam, shear connector and reinforcement cages. From thus component the performance of connector was studied in this works. The main purposes of this paper are to describe the structural performance of demountable shear connectors in composite slab and steel beam with profile steel sheet analysis through ABAQUS 6.14. An accurate and efficient non-linear finite element model was developed to study the behavior of demountable shear connectors prefabricated through deck. The material non-linearity of concrete, connector, profiled steel sheet, reinforcement and steel beam were included in the finite element model. A 24 specimen were carried out to investigate the load-slip behavior of the demountable shear connectors in composite floor with profiled steel sheeting. Result obtained from finite element analysis was carried out and verified with the experiment results obtained from journal[1]. The capacity of shear connection result differences obtained from journal to finite element analysis was 3.29% only, that means the parametric study used in both investigations were nearest to each other in accuracy. The capacity of shear connection, load slip behavior of stud and failures modes were predicted. In the result diameter of connector increase 19 to 22mm, then the capacity of shear connection also increases by 26% and 17% in both open and re-entrant trough profile steel sheet respectively and since height of sheet increase from 50 to 64mm the capacity of connector increases by10.6% and 10.06% in open and re-entrant trough profile steel sheet respectively, similarly, since the concrete grade increase C-40 to C-60 the capacity of shear connection again increases 26% and 20% with open and re-entrant profile steel sheet respectively and also the same effect with dilation angle. The capacity of shear connection obtained from finite element analysis were compared with the design strength calculated using European code for stud shear connector in composite slab and steel beam with deck perpendicular to steel beam. It found that the design rules specified in European code were generally conservative